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An electron whose e//m is 1.76X10^(11)c/...

An electron whose `e//m` is `1.76X10^(11)c//kg` enter a region `2X10^(-3)` tesla with a velocity of `3X10^(6)m//sec` in a direction making an angle of `45^(@)` with the field. The pitch of its helical path in the region is

A

`1.5cm`

B

`3.8cm`

C

`5.36cm`

D

`8.4cm`

Text Solution

Verified by Experts

The correct Answer is:
2
`T=(2pim)/(Bq)`
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